Skin treatment device



FIG. 1 is a top, right perspective view of a skin treatment device showing my/our design therefor;

FIG. 2 is a bottom, front left perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a side elevational view thereof;

FIG. 6 is a front elevational view thereof; and,

FIG. 7 is a rear elevational view thereof.

The pattern applied to the top portion of the device depicts a contrasting appearance. 

CLAIM The ornamental design for a skin treatment device, as shown and described. 